What are the best areas for solar in New Hampshire?

The top-rated areas for solar in New Hampshire are ZIP 03870 (score: 100/100), ZIP 03033 (score: 100/100), ZIP 03885 (score: 100/100). Rankings are based on walkability, median household income, population density, and existing competition.

What makes a good location for solar?

A strong location for solar combines high walkability (foot traffic), solid median income (spending power), sufficient population density, and manageable competition. Our opportunity score weighs all four factors on a 0–100 scale.

How does New Hampshire compare to other states for solar?

New Hampshire averages 94/100 across 20 scored ZIP codes — rated a excellent market. Scores factor in walkability, income, population, and competition.

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Best Cities for Solar Panel Costs in New Hampshire

← New Hampshire Overview

Top 20 ZIP codes ranked by opportunity score. Score combines walkability (foot traffic), population density, median income, and solar installers competition.

The top markets here average $123,537 in household income, with 15.5 existing solar installers per ZIP. ZIP 03870 leads at 100, $127,772 median income, zero existing solar installers.

80–100 Excellent 60–79 Good 40–59 Fair <40 Challenging

Sort by:

#	ZIP Code	Score	Walkability	Median Income	Solar Installers
#1	ZIP 03870 Pop. 5.1 Thousand	100 Excellent	—	$127,772	0
#2	ZIP 03033 Pop. 5.7 Thousand	100 Excellent	—	$165,942	0
#3	ZIP 03885 Pop. 7.7 Thousand	100 Excellent	—	$141,438	0
#4	ZIP 03070 Pop. 6.1 Thousand	100 Excellent	—	$151,296	0
#5	ZIP 03304 Pop. 8.3 Thousand	100 Excellent	—	$161,482	0
#6	ZIP 03755 Pop. 11 Thousand	100 Excellent	—	$161,162	0
#7	ZIP 03044 Pop. 4.8 Thousand	100 Excellent	—	$125,774	0
#8	ZIP 03824 Pop. 15 Thousand	100 Excellent	—	$126,658	0
#9	ZIP 03862 Pop. 4.6 Thousand	100 Excellent	—	$136,170	0
#10	ZIP 03086 Pop. 4.2 Thousand	98 Excellent	—	$117,732	0
#11	ZIP 03290 Pop. 5.3 Thousand	94 Excellent	—	$108,459	0
#12	ZIP 03753 Pop. 3.5 Thousand	90 Excellent	—	$113,317	0
#13	ZIP 03851 Pop. 4.3 Thousand	88 Excellent	—	$98,750	0
#14	ZIP 03076 Pop. 14 Thousand	88 Excellent	—	$126,804	16
#15	ZIP 03051 Pop. 25 Thousand	87 Excellent	—	$124,973	15
#16	ZIP 03223 Pop. 3.4 Thousand	86 Excellent	—	$109,801	0
#17	ZIP 03857 Pop. 9.4 Thousand	86 Excellent	—	$94,345	0
#18	ZIP 03225 Pop. 3.8 Thousand	86 Excellent	—	$97,109	0
#19	ZIP 03257 Pop. 4.5 Thousand	84 Excellent	—	$89,750	0
#20	ZIP 03077 Pop. 11 Thousand	84 Excellent	—	$92,002	0

Data updated March 2026. Sources: Census Bureau ACS 2023, USDA National Walkability Index 2021, County Business Patterns 2022.

What the Data Shows

Opportunity is spread across New Hampshire, not locked in one metro. The top ZIPs average $123,537 in household income. The common thread: solar demand that outpaces supply. These markets have room.

How to Use This Table

Click any ZIP for a full breakdown: demographics, nearby competition, and walkability score. The opportunity score weights income, foot traffic, and competition equally. If your concept skews upscale, sort by Income. If lunch crowds matter more, sort by Walkability.

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